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Title

Multichromophoric sensitizers based on calix[4]arene scaffold and 4H-pyranylidene moiety for DSSCs application

AuthorsColom, E.; Andrés-Castán, J. M.; Franco, Santiago; Garín, Javier; Montoya, J.-F.; Orduna, Jesús; Villacampa, Belén; Blesa, María Jesús
KeywordsDSSC
Metal-free sensitizer
Multichromophore
Calix[4]arene
4H-pyranylidene
Aggregation
Issue Date2017
PublisherElsevier
CitationDyes and Pigments 136: 505-514 (2017)
AbstractWe have synthesized lower rim 1,3-derivatives of 4-tert-butylcalix[4]arene-appended dyes in order to test their physical and photovoltaic properties. These dyes consist in a donor group based on triphenylamine and/or 4H-pyranylidene moieties, a heteroaromatic π-conjugated spacer such a thiophene ring and an acceptor group like cyanoacetic acid. The molar extinction coefficient of these systems increases with the introduction of the second dye in the same molecule and it is observed an extended band along the visible spectrum. The use of calix[4]arene platform with other dyes could lead to a new strategy to the achievement of novel panchromatic dyes.
Publisher version (URL)https://doi.org/10.1016/j.dyepig.2016.08.067
URIhttp://hdl.handle.net/10261/182188
DOI10.1016/j.dyepig.2016.08.067
ISSN0143-7208
E-ISSN1873-3743
Appears in Collections:(ICMA) Artículos
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